This 2,700-year-old woman is the jewel of the Maidstone Museum's Egyptian collection.

Grotto replete with mystical designs laid out in glued shell mosaics.

A house of bones — but nobody is quite sure to whom they belong.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

Abstract dinosaur models in London.

This abandoned gun tower was built to defend the River Thames from a French naval attack.

This star-shaped artillery fort protected the mouth of the Thames from the 16th century to the Second World War.

The last resting place of the famous Native American princess is marked by a haunting monument.

A showcase of canine neckwear spanning five centuries of doggie fashion and function.

The Neolithic megalith was one of the first archaeological ruins protected by the British government.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

A terrific purveyor of natural history objects and curios.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A brush maker used his factory to protect blind Jews from the Gestapo.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A Museum of Psychiatry in a still-operating mental institution.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.